| 摘要 |
The apparatus for extruding resin moulded material includes a extruder (1) comprising of extrusion head block (10) and flange part (9) having radial extrusion hole (8), ring mould (2) comprising of cylindrical casing (12) and projection part (13) on the inner bottom, and hydraulic piston-cylinder assembler (3). The ring-shaped resin moulded material is manufactured by extruding into the annular gap between the flange part and the projection part, and also this method is useful for mfg. machine element.
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